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[認真問]100fps=?J

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原帖由 match_man 於 10-3-2007 19:58 發表
當0.25g....
1 foot = 0.3048 meter

100feet=30.48m

KE=0.5mvv
    =0.5x0.0025x30.48x30.48
=1.16J
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回覆 #8 伯言 的帖子

Shit....that why I only got a D in physics
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